Question

calculate themass of 3mole of carbon atom​

Answer 1

Answer:

1 mole of ethane (C

2

H

6

) has 2 moles of carbon and 6 moles of hydrogen.

We are given 3 moles of ethane.

(i) Number of moles of carbon atoms =3×2=6 mol

(ii) Number of moles of hydrogen atoms =3×6=18 mol

(iii) Number of molecules of ethane =3×6.023×10

23

=1.8069×10

24

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Answer 2

Answer:

1 mole of carbon atom=1.994×10-²³ g

then

3 mole of carbon atom=1.994×10-²³ g ×3